RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 04:07:44 +00:00
Code Issues Activity Actions

LibGUI: Fix Splitter sometimes not working after widgets were resized

Browse source 
We need to skip over widgets that are not visible as the layout does
not update their location. This fixes finding the correct widgets
surrounding the splitter.

Fixes #3491
This commit is contained in:
Tom 2020-10-24 15:22:43 -06:00 • committed by Andreas Kling
parent 2adcabb6b3
commit 5f9906f188
1 changed files with 23 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

39
Libraries/LibGUI/Splitter.cpp
View file

@ -86,23 +86,30 @@ void Splitter::leave_event(Core::Event&)
bool Splitter::get_resize_candidates_at(const Gfx::IntPoint& position, Widget*& first, Widget*& second)
{
int x_or_y = position.primary_offset_for_orientation(m_orientation);
auto child_widgets = this->child_widgets();
if (child_widgets.size() < 2)
return false;
for (size_t i = 0; i < child_widgets.size() - 1; ++i) {
auto* first_candidate = child_widgets[i];
auto* second_candidate = child_widgets[i + 1];
if (x_or_y > first_candidate->content_rect().last_edge_for_orientation(m_orientation)
&& x_or_y <= second_candidate->content_rect().first_edge_for_orientation(m_orientation)) {
first = first_candidate;
second = second_candidate;
return true;
Widget* previous_widget = nullptr;
bool found_candidates = false;
for_each_child_widget([&](auto& child_widget) {
if (!child_widget.is_visible()) {
// We need to skip over widgets that are not visible as they
// are not necessarily in the correct location (anymore)
return IterationDecision::Continue;
}
}
return false;
if (!previous_widget) {
previous_widget = &child_widget;
return IterationDecision::Continue;
}
if (x_or_y > previous_widget->content_rect().last_edge_for_orientation(m_orientation)
&& x_or_y <= child_widget.content_rect().first_edge_for_orientation(m_orientation)) {
first = previous_widget;
second = &child_widget;
found_candidates = true;
return IterationDecision::Break;
}
return IterationDecision::Continue;
});
return found_candidates;
}
void Splitter::mousedown_event(MouseEvent& event)